 /*
 * @name: 帮助中心
 * @Author: ice
 * @Date: 2020-04-10
 * @Last Modified by: --
 * @Last Modified time:--
 */
<template>
    <div class="help">
        <div class="help-wrap">
            帮助中心
        </div>
        <div class="wrap">
            <div class="menu">
                <div
                    v-for="(item,index) in dataList"
                    :key="index"
                    class="menu-list"
                >
                    {{ item.cate_name }}
                    <p
                        v-for="(option,i) in item.help_list"
                        :key="i"
                        class="menu-list-title"
                        :style="{color: active == option.question ? '#20A0FF' : '#333333'}"
                        @click="setTitle(option.question)"
                    >
                        {{ option.question }}
                    </p>
                </div>
            </div>
            <div
                class="cont"
                v-loading="loading"
            >
                <div class="cont-header">
                    {{ active_title }}
                </div>
                <div id="ueditor">
                    <p v-html="article" />
                </div>
            </div>
        </div>

        <img-preview ref="preview" />
    </div>
</template>

<script>
import imgPreview from '@/components/common/img-preview';
export default {
    components: {
        imgPreview
    },
    data () {
        return {
            dataList: [],
            active_title: '',
            article: '',
            active: '',
            loading: false,
        };
    },
    watch: {
        $route(val){
            console.log('router watch',val.query);
            if(val.query && val.query.isSelf == 1){
                return ;
            }
            let title = val.query.title;

            if(title) {
                title = title.includes('%25') ? title.replace(/%25/g, '%'): title;
                this.setTitle(unescape(title) ? unescape(title) : '');
            } else {
                this.getList('');
            }
        }
    },
    created(){
        this.$store.commit('header/SET_HEADER', [
            {title: '店铺概况', path: '/'},
            {title: '帮助中心'}
        ]);
    },
    mounted () {
        console.log('mount', this.$route.query);
        const query = this.$route.query;

        if(query.title) {
            let title = query.title;

            title = title.includes('%25') ? title.replace(/%25/g, '%'): title;
            this.getList(unescape(title) ? unescape(title) : '');
        } else {
            this.getList('');
        }
    },
    methods: {
        /**
         * @description 获取问题列表
         */
        getList (title) {
            this.$post('/Help/getList', {}, resp => {
                if(resp.code == 1) {
                    this.dataList = resp.data.list;
                    if(this.dataList.length > 0) {
                        this.setTitle(title ? title : this.dataList[0].help_list[0].question);
                    }
                } else {
                    this.$notify({
                        title: '提示',
                        message: resp.msg,
                        type: 'warning',
                        duration: 2000
                    });
                }
            });
        },

        /**
         * @description 设置标题
         * @param   {String}    问题名称
         */
        setTitle (name) {
            try {
                this.loading = true;
                this.dataList.forEach(element => {
                    if(element.help_list) {
                        element.help_list.forEach(option => {
                            if(option.question == name) {
                                setTimeout(()=>{
                                    this.loading = false;
                                    this.active_title = element.cate_name + '>' + option.question;
                                    this.article = option.answer;
                                    this.active = option.question;
                                    this.$nextTick(()=>{
                                        this.filterGif();
                                    });
                                },300);
                            }
                        });
                    }
                });
                let title = escape(name);

                title = title.includes('%') ? title.replace(/%/g, '%25') : title;
                this.$router.push({
                    name: 'manage-help',
                    query: {
                        title: title,
                        isSelf:1
                    }
                });
            } catch (error) {
                console.log(error);
            }
        },


        /**
         * @description gif图片尺寸处理
         */
        filterGif () {
            if(document.querySelectorAll) {
                let image = document.querySelectorAll('#ueditor img');

                if(image.length > 0) {
                    for(let key=0; key<image.length; key++){
                        let imageDom = image[key];

                        if(imageDom.src.includes('.gif')) {
                            imageDom.style.width = 'auto';
                        }
                        if(!imageDom.src.includes('.gif') && !imageDom.width) {
                            imageDom.style.width = '100%';
                        }

                        image[key].onclick = () => {
                            if(!image[key].src.includes('.gif')) {
                                this.$refs.preview.show([
                                    image[key].src
                                ], 0);
                            }
                        };
                    }
                }
            }
        }
    }
};
</script>

<style lang="less" scoped>
.help {
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    padding-bottom: 10px;
    &-wrap {
        width: calc(100% - 10px);
        height: 68px;
        overflow: hidden;
        display: flex;
        align-items: center;
        color: #333333;
        font-size: 20px;
        font-weight: 500;
        position: relative;
        box-sizing: border-box;
        padding-left: 35px;
        background: #ffffff;
        margin-bottom: 10px;
        &::before {
            content: '';
            position: absolute;
            width:3px;
            height:20px;
            background:rgba(24,144,255,1);
            left: 24px;
            top: 24px;
        }
    }
    .wrap {
        height: calc(100% - 78px);
        box-sizing: border-box;
        display: flex;
        .menu {
            max-width: 356px;
            min-width: 200px;
            overflow-y: auto;
            overflow-x: hidden;
            background: #ffffff;
            margin-right: 10px;
            cursor: pointer;
            box-sizing: border-box;
            padding: 0 24px 57px 24px;
            &::-webkit-scrollbar {
                width: 0px;
            }
            &-list {
                color: #333333;
                font-size: 18px;
                font-weight: 500;
                margin-top: 46px;
                position: relative;
                &-title {
                    color: #333333;
                    font-size: 14px;
                    height: 48px;
                    line-height: 48px;
                    margin: 0px 0 0 24px;;
                    white-space: nowrap;
                    text-overflow: ellipsis;
                    overflow: hidden;
                    &:hover {
                        color: #20A0FF !important;
                    }
                }
                &-title:first-child {
                    margin-top: 13px;
                }
                &::after {
                    content: '';
                    position: absolute;
                    width: 100%;
                    height: 1px;
                    background: #eee;
                    left: 0;
                    bottom: -11px;
                    z-index: 999;
                }
            }
            &-list:nth-child(n+1) {
                margin-top: 30px;
            }
            &-list:last-child {
                &::after {
                    content: '';
                    position: absolute;
                    width: 100%;
                    height: 0px;
                    background: #eee;
                    left: 0;
                    bottom: -30px;
                    z-index: 999;
                }
            }
        }
        .cont {
            flex: 1;
            background: #ffffff;
            margin-right: 10px;
            overflow-y: auto;
            overflow-x: hidden;
            box-sizing: border-box;
            padding: 0 42px;
            &::-webkit-scrollbar {
                width: 4px;
                border-radius: 7px;
            }
            &-header {
                width: 100%;
                height: 68px;
                display: flex;
                align-items: center;
                box-sizing: border-box;
                color: #333333;
                font-size: 18px;
                font-weight: 500;
                border-bottom: 1px #eee solid;
                margin-bottom: 20px;
            }
        }
    }
}
</style>

<style lang="less">
#ueditor {
    h1, h2, h3, h4 {
        color: #111111;
        font-weight: 400;
        margin-top: 1em;
    }
    img {
        // width: 200px;
        cursor: pointer;
        max-width: 100% !important;
    }
    h1, h2, h3, h4, h5, h6 {
        font-family: Georgia, Palatino, serif;
    }
    h1, h2, h3, h4, h5,h6, dl{
        margin-bottom: 16px;
        padding: 0;
    }
    p {
        margin: 8px 0;
    }
    h1 {
        font-size: 48px;
        line-height: 54px;
    }
    h2 {
        font-size: 36px;
        line-height: 42px;
    }
    h1, h2 {
        border-bottom: 1px solid #EFEAEA;
        padding-bottom: 10px;
    }
    h3 {
        font-size: 24px;
        line-height: 30px;
    }
    h4 {
        font-size: 21px;
        line-height: 26px;
    }
    h5 {
        font-size: 18px;
        list-style: 23px;
    }
    h6 {
        font-size: 15px;
        list-style: 20px;
    }
    a {
        color: #0099ff;
        margin: 0;
        padding: 0;
        vertical-align: baseline;
    }
    a:hover {
        text-decoration: none;
        color: #ff6600;
    }
    ul, ol {
        padding: 0;
        padding-left: 24px;
        margin: 0;
    }
    li {
        line-height: 24px;
    }
    p, ul, ol {
        font-size: 16px;
        line-height: 24px;
    }

    ol ol, ul ol {
        list-style-type: lower-roman;
    }

    pre {
        max-width: 800px;
        white-space: pre-wrap;
        line-height: 1.7em;
        overflow: auto;
        padding: 6px 10px;
    }
    /*
    code {
        font-family: Consolas, Monaco, Andale Mono, monospace;
        line-height: 1.5;
        font-size: 13px;
    }*/

    /* code, pre {
        border-radius: 3px;
        background-color:#f7f7f7;
        color: inherit;
    }

    code {
        font-family: Consolas, Monaco, Andale Mono, monospace;
        margin: 0 2px;
    }

    pre {
        line-height: 1.7em;
        overflow: auto;
        padding: 6px 10px;
        border-left: 5px solid #6CE26C;
    } */

    /*   pre > code {
        border: 0;
        display: inline;
        max-width: initial;
        padding: 0;
        margin: 0;
        overflow: initial;
        line-height: inherit;
        font-size: .85em;
        white-space: pre;
        background: 0 0;

    } */

    /*   code {
        color: #666555;
    } */


    /** markdown preview plus 对于代码块的处理有些问题, 所以使用统一的颜色 */
    /*code .keyword {
        color: #8959a8;
    }

    code .number {
        color: #f5871f;
    }

    code .comment {
        color: #998
    }*/

    aside {
        display: block;
        float: right;
        width: 390px;
    }
    blockquote {
        border-left:.5em solid #eee;
        padding: 0 0 0 2em;
        margin-left:0;
    }
    blockquote  cite {
        font-size:14px;
        line-height:20px;
        color:#bfbfbf;
    }
    blockquote cite:before {
        content: '\2014 \00A0';
    }

    blockquote p {
        color: #666;
    }
    hr {
        text-align: left;
        color: #999;
        height: 2px;
        padding: 0;
        margin: 16px 0;
        background-color: #e7e7e7;
        border: 0 none;
    }

    dl {
        padding: 0;
    }

    dl dt {
        padding: 10px 0;
        margin-top: 16px;
        font-size: 1em;
        font-style: italic;
        font-weight: bold;
    }

    dl dd {
        padding: 0 16px;
        margin-bottom: 16px;
    }

    dd {
        margin-left: 0;
    }

    /* Code below this line is copyright Twitter Inc. */

    button,
    input,
    select,
    textarea {
        font-size: 100%;
        margin: 0;
        vertical-align: baseline;
        *vertical-align: middle;
    }
    button, input {
        line-height: normal;
        *overflow: visible;
    }
    button::-moz-focus-inner, input::-moz-focus-inner {
        border: 0;
        padding: 0;
    }
    button,
    input[type="button"],
    input[type="reset"],
    input[type="submit"] {
        cursor: pointer;
        -webkit-appearance: button;
    }
    input[type=checkbox], input[type=radio] {
        cursor: pointer;
    }
    /* override default chrome & firefox settings */
    input:not([type="image"]), textarea {
        -webkit-box-sizing: content-box;
        -moz-box-sizing: content-box;
        box-sizing: content-box;
    }

    input[type="search"] {
        -webkit-appearance: textfield;
        -webkit-box-sizing: content-box;
        -moz-box-sizing: content-box;
        box-sizing: content-box;
    }
    input[type="search"]::-webkit-search-decoration {
        -webkit-appearance: none;
    }
    label,
    input,
    select,
    textarea {
        font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
        font-size: 13px;
        font-weight: normal;
        line-height: normal;
        margin-bottom: 18px;
    }
    input[type=checkbox], input[type=radio] {
        cursor: pointer;
        margin-bottom: 0;
    }
    input[type=text],
    input[type=password],
    textarea,
    select {
        display: inline-block;
        width: 210px;
        padding: 4px;
        font-size: 13px;
        font-weight: normal;
        line-height: 18px;
        height: 18px;
        color: #808080;
        border: 1px solid #ccc;
        -webkit-border-radius: 3px;
        -moz-border-radius: 3px;
        border-radius: 3px;
    }
    select, input[type=file] {
        height: 27px;
        line-height: 27px;
    }
    textarea {
        height: auto;
    }
    /* grey out placeholders */
    :-moz-placeholder {
        color: #bfbfbf;
    }
    ::-webkit-input-placeholder {
        color: #bfbfbf;
    }
    input[type=text],
    input[type=password],
    select,
    textarea {
        -webkit-transition: border linear 0.2s, box-shadow linear 0.2s;
        -moz-transition: border linear 0.2s, box-shadow linear 0.2s;
        transition: border linear 0.2s, box-shadow linear 0.2s;
        -webkit-box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
        -moz-box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
        box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
    }
    input[type=text]:focus, input[type=password]:focus, textarea:focus {
        outline: none;
        border-color: rgba(82, 168, 236, 0.8);
        -webkit-box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1), 0 0 8px rgba(82, 168, 236, 0.6);
        -moz-box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1), 0 0 8px rgba(82, 168, 236, 0.6);
        box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1), 0 0 8px rgba(82, 168, 236, 0.6);
    }
    /* buttons */
    button {
        display: inline-block;
        padding: 4px 14px;
        font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
        font-size: 13px;
        line-height: 18px;
        -webkit-border-radius: 4px;
        -moz-border-radius: 4px;
        border-radius: 4px;
        -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
        -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
        background-color: #0064cd;
        background-repeat: repeat-x;
        text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
        border: 1px solid #004b9a;
        border-bottom-color: #003f81;
        -webkit-transition: 0.1s linear all;
        -moz-transition: 0.1s linear all;
        transition: 0.1s linear all;
        border-color: #0064cd #0064cd #003f81;
        border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
    }
    button:hover {
        color: #fff;
        background-position: 0 -15px;
        text-decoration: none;
    }
    button:active {
        -webkit-box-shadow: inset 0 3px 7px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
        -moz-box-shadow: inset 0 3px 7px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
        box-shadow: inset 0 3px 7px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
    }
    button::-moz-focus-inner {
        padding: 0;
        border: 0;
    }
    table {
        border-spacing: 0;
        width: 100%;
    }
    table {
        border: solid #ccc 1px;
        -moz-border-radius: 6px;
        -webkit-border-radius: 6px;
        border-radius: 6px;
        /*-webkit-box-shadow: 0 1px 1px #ccc;
        -moz-box-shadow: 0 1px 1px #ccc;
        box-shadow: 0 1px 1px #ccc;   */
    }
    table tr:hover {
        background: #fbf8e9;
        -o-transition: all 0.1s ease-in-out;
        -webkit-transition: all 0.1s ease-in-out;
        -moz-transition: all 0.1s ease-in-out;
        -ms-transition: all 0.1s ease-in-out;
        transition: all 0.1s ease-in-out;
    }
    table td, .table th {
        border-left: 1px solid #ccc;
        border-top: 1px solid #ccc;
        padding: 10px;
        text-align: left;
    }

    table th {
        border-top: none;
        text-shadow: 0 1px 0 rgba(255,255,255,.5);
        padding: 5px;
    }

    table td:first-child, table th:first-child {
        border-left: none;
    }

    table th:first-child {
        -moz-border-radius: 6px 0 0 0;
        -webkit-border-radius: 6px 0 0 0;
        border-radius: 6px 0 0 0;
    }
    table th:last-child {
        -moz-border-radius: 0 6px 0 0;
        -webkit-border-radius: 0 6px 0 0;
        border-radius: 0 6px 0 0;
    }
    table th:only-child{
        -moz-border-radius: 6px 6px 0 0;
        -webkit-border-radius: 6px 6px 0 0;
        border-radius: 6px 6px 0 0;
    }
    table tr:last-child td:first-child {
        -moz-border-radius: 0 0 0 6px;
        -webkit-border-radius: 0 0 0 6px;
        border-radius: 0 0 0 6px;
    }
    table tr:last-child td:last-child {
        -moz-border-radius: 0 0 6px 0;
        -webkit-border-radius: 0 0 6px 0;
        border-radius: 0 0 6px 0;
    }
    ol li {
        list-style: decimal;
    }
    ul li {
        list-style: outside;
    }
    strong {
        font-weight: 500;
    }
    strong>em {
        font-weight: 500;
    }
    p {
        word-break: break-all;
    }
}
</style>